How to sign: a suite of rooms usually on one floor of an apartment house
Similiar / Same: apartment
Categories: housing, living accommodations, lodging
Within this category: bedsitting room, cold-water flat, duplex apartment, efficiency apartment, flatlet, maisonette, penthouse, railroad flat, studio apartment, suite, walk-up apartment
How to sign: having a horizontal surface in which no part is higher or lower than another
"a flat desk"; "acres of level farmland"; "a plane surface";